Speaker



FIG. 1 is a side elevational view of a speaker according to our newdesign, the other side being a mirror image thereof.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a perspective view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line disclosure depicts environmental subject matter thatforms no part of the claimed design.

The ornamental design for a speaker, as shown and described. 